72327400 has 24 divisors (see below), whose sum is σ = 168161670. Its totient is φ = 28930880.

The previous prime is 72327391. The next prime is 72327427. The reversal of 72327400 is 472327.

It can be written as a sum of positive squares in 3 ways, for example, as 46703556 + 25623844 = 6834^2 + 5062^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180619 + ... + 181018.

Almost surely, 2^72327400 is an apocalyptic number.

It is an amenable number.

72327400 is an abundant number, since it is smaller than the sum of its proper divisors (95834270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72327400 is a wasteful number, since it uses less digits than its factorization.

72327400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361653 (or 361644 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 72327400 is about 8504.5517224602. The cubic root of 72327400 is about 416.6463847905.

Adding to 72327400 its reverse (472327), we get a palindrome (72799727).

It can be divided in two parts, 72327 and 400, that added together give a palindrome (72727).

The spelling of 72327400 in words is "seventy-two million, three hundred twenty-seven thousand, four hundred".